Check your plumbing leaks or leaks, faucet hole leaks already. Don't let it drip drop behind even somehow use shower instead of a tub soak in water, because it wastes water over very much.
Plumbing leak detection. Or leaking faucets and then plug the leak completely. Do not let it drop, leaving even the slightest somehow. use the shower instead of a bath in the sink. Because it consumes more water than others.
Check the tightness of the plumbing. Faucet leak or leak and that right. Don't let it drop off a bit somehow use shower instead of sleeping in water in the basin, because มันเปลือง water than most.